When does ovulation typically occur? a. midway between menstrual periods b. immediately after conception c. the day a menstrual period begins d. the day after a menstrual period ends

A. it typically occurs 14 days before your next period. Therefore is is the closest answer.

it takes hundreds of years to become stable.

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the "power" of a lens is its resolution power, or its ability to distinguish between to closely located points. with the low power lens, it is likely you will see the rough form of the hay and maybe some movement of dots around the hay. however, when observed with the high power lens, the detailed features of the hay become visible and the microbes being grown are more clearly visible.

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